Ecuadorian hummingbirds chirp ultrasonic songs of seduction
Perched on a flowering shrub on a windy Andean mountainside, the tiny Ecuadorian Hillstar hummingbird chirps songs of seduction that only another bird of its kind can hear.
Perched on a flowering shrub on a windy Andean mountainside, the tiny Ecuadorian Hillstar hummingbird chirps songs of seduction that only another bird of its kind can hear.
Ecology
Jul 17, 2020
0
591
One would expect that entrepreneurs who pitch their startup ideas with passion are more apt to entice investors. Now there's scientific proof the two are connected: enthusiasm and financial backing.
Economics & Business
Sep 11, 2019
0
12
The first humans who settled in Scandinavia more than 10,000 years ago left their DNA behind in ancient chewing gum, masticated lumps made from birch bark pitch. This is shown in a new study conducted at Stockholm University ...
Archaeology
May 15, 2019
3
1692
Baseball is back, and fans can anticipate another season of amazing catches, overpowering pitching, tape-measure home runs – and, yes, controversial calls that lead to blow-ups between umpires and players.
Mathematics
Apr 08, 2019
0
28
The worlds of engineering and baseball have collided. Researchers at Utah State University are breaking down the physics of a new baseball pitch that's been getting a lot of attention.
General Physics
Feb 21, 2019
0
84
It is an age-old question – what makes someone attractive? We often say things like "beauty is in the eye of the beholder" but while this romantic notion may bring comfort to those dealt a poor hand in life, it also gives ...
Machine learning & AI
Jan 07, 2019
4
7
Blue whales around the world are singing a little flat, and scientists may now have more clues as to the reason why.
Plants & Animals
Nov 29, 2018
0
186
An unexpected twist from a four-seam or a two-seam fastball can make the difference in a baseball team winning or losing the World Series. However, "some explanations regarding the different pitches are flat-out wrong," said ...
General Physics
Nov 18, 2018
0
242
High-resolution display devices increasingly need ultra-fine pitch assemblies. On that account, display driver interconnection technology has become a major challenge for upscaling display electronics.
Hardware
Nov 14, 2018
0
5
Around the middle of the 2015 season, something odd started happening in Major League Baseball (MLB): Home runs surged. They surged again in 2016, from the previous year's 4,909 to 5,610, and then again in 2017 to an all-time ...
Mathematics
Jul 17, 2018
0
14
In baseball, the pitcher is the player who throws the baseball from the pitcher's mound toward the catcher to begin each play, with the goal of retiring a batter, who attempts to either make contact with the pitched ball or draw a walk. In the numbering system used to record defensive plays, the pitcher is assigned the number 1. In the National League and the Japanese Central League, the pitcher also bats. Starting in 1973 with the American League and spreading throughout the 1980s and 1990s, the hitting duties of the pitcher have generally been given over to the position of designated hitter, a cause of some controversy.
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